package day6;
import java.util.Scanner;
public class day7 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入班级人数:");
        int num = scanner.nextInt();
    double  count=0;
    int i=1;
    while(i<=num){
        System.out.println("请输入第"+i+"学生的成绩");
        double falg=scanner.nextDouble();
        i++;
        if(falg<80){
            continue;
        }
        else{
            count++;
        }
    }
        System.out.println("80分以上的学生人数:"+count);
        System.out.println("80分以上的学生比例为:" +(count/num)*100+"%");


    }
}